Slender-billed Prion vs Atlantic Petrel
Pachyptila belcheri compared with Pterodroma incerta
Side-by-Side Comparison
| Attribute | Slender-billed Prion | Atlantic Petrel |
|---|---|---|
| Scientific Name | Pachyptila belcheri | Pterodroma incerta |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Endangered |
| Length | — | — |
| Wingspan | 35.2 cm (13.9 in) | 63.6 cm (25.0 in) |
| Weight | 152.0 g (5.36 oz) | 515.0 g (18.17 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Slender-billed Prion
Endangered
Atlantic Petrel
About These Birds
Slender-billed Prion
25–26 cm. Slenderest-billed prion; pale blue-grey with faint M-mark and narrow dark breast-side patches. Breeds Falkland Islands, Kerguelen, Crozet. Feeds mainly on copepods by surface-seizing rather than filter-feeding. Slightly longer wings give more buoyant flight.
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.